bpo-39775: inspect: Change Signature.parameters back to OrderedDict. (GH-18684)

1 files changed, 4 insertions, 7 deletions

diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst
index 9b9bc99..d00a30f 100644
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -624,18 +624,15 @@ function.
 
    .. attribute:: Signature.parameters
 
-      An dictionary of :class:`Parameter` objects.  Parameters appear in strict
-      definition order, including keyword-only parameters.
+      An ordered mapping of parameters' names to the corresponding
+      :class:`Parameter` objects.  Parameters appear in strict definition
+      order, including keyword-only parameters.
 
       .. versionchanged:: 3.7
          Python only explicitly guaranteed that it preserved the declaration
          order of keyword-only parameters as of version 3.7, although in practice
          this order had always been preserved in Python 3.
 
-      .. versionchanged:: 3.9
-         :attr:`parameters` is now of type :class:`dict`. Formerly, it was of
-         type :class:`collections.OrderedDict`.
-
    .. attribute:: Signature.return_annotation
 
       The "return" annotation for the callable.  If the callable has no "return"
@@ -824,7 +821,7 @@ function.
 
    .. attribute:: BoundArguments.arguments
 
-      An ordered, mutable mapping of parameters' names to arguments' values.
+      A mutable mapping of parameters' names to arguments' values.
       Contains only explicitly bound arguments.  Changes in :attr:`arguments`
       will reflect in :attr:`args` and :attr:`kwargs`.